113117189 has 2 divisors, whose sum is σ = 113117190. Its totient is φ = 113117188.

The previous prime is 113117161. The next prime is 113117327. The reversal of 113117189 is 981711311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76912900 + 36204289 = 8770^2 + 6017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113117189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113117989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56558594 + 56558595.

It is an arithmetic number, because the mean of its divisors is an integer number (56558595).

Almost surely, 2^113117189 is an apocalyptic number.

It is an amenable number.

113117189 is a deficient number, since it is larger than the sum of its proper divisors (1).

113117189 is an equidigital number, since it uses as much as digits as its factorization.

113117189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 32.

The square root of 113117189 is about 10635.6564912562. The cubic root of 113117189 is about 483.6258819756.

The spelling of 113117189 in words is "one hundred thirteen million, one hundred seventeen thousand, one hundred eighty-nine".